| Imprint | The Science Fiction Book Club |
| Publisher | Readers Union Ltd |
| Copyright Holder | Ben Bova |
| First Published by | Dobson Books Ltd. |
| Printed by | Redwood Press Limited |
| Format | Hardback |
| Language | English |
| Location | Newton Abbot, UK |
| Copyright | 1966 |
| Copyright | 1967 |
| This Edition Published | 1971 |
| Pages / Font | 249 pages |
Added by steppenwolf_a_558